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WanderNerd

Flight Reliability

AA 3147 · American Airlines

Key West → Philadelphia (EYWPHL)85% of its flights flew this route. The rest (PHX–MSN, PHX–MKE) are included in these numbers.

40
Bring Snacks
WanderNerd Reliability Score
64%
Arrive within 15 minutes
38 min
Average arrival delay
2.5%
Cancelled
1 min
Median arrival delay

Based on 316 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

AA 3147 departing between 6–9 AM arrived on time 89% of the time, versus 60% between 3–6 PM.

Sunday scaries are real for this one.

AA 3147 arrived on time 76% of the time on Tuesdays and just 52% on Sundays. That gap is worth planning around.

A bit behind the EYW–PHL route.

AA 3147 arrived on time 64% of the time, versus 69% across the EYW–PHL route.

Lagging the American Airlines network.

AA 3147 arrived on time 64% of the time, versus 77% across the American Airlines network.

The breakdown

On-time by weekday
  • Mon61%(44 flights)
  • Tue76%(41 flights)
  • Wed67%(39 flights)
  • Thu71%(44 flights)
  • Fri70%(46 flights)
  • Sat52%(44 flights)
  • Sun52%(44 flights)
On-time by departure window
  • 6–9 AM89%(44 flights)
  • 12–3 PM62%(13 flights)
  • 3–6 PM60%(245 flights)
On-time trend by month
84%
May

Jun 66% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202566%29
July 202547%30
August 202561%28
October 202565%26
November 202576%25
December 202569%29
January 202667%21
February 202643%21
March 202647%30
April 202677%30
May 202684%31
Departures on time
62%
Diverted
1.9%
Flights flown
302
Months covered
12

Based on 316 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.